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Autogallery is a program for dynamically generating thumbnail image galleries from existing directories and JPEG or PNG images. Features include multiple directory browsing ability, text file-based gallery naming for each directory, automatic generation of thumbnails from JPEG and PNG images, built-in advertisement rotation system, customizable messages per directory/gallery, and customizable gallery names. <TITLE>301 Moved Permanently</TITLE> </HEAD><BODY> <H1>Moved Permanently</H1> The document has moved <A HREF="http://sybermedia.homeip.net:80/autogallery/">here</A>.<P> </BODY></HTML>
I wrote this script because i was sick of generating thumbnails by hand an putting them into the right size-format. so this autogallery is really cool.<br><br> specification: <ul> <li>multiple galleries possible <li>proper query-string handling (simple API) <li>reads jp(e)g source images and generates thumbnails automatically <li>updates thumbnails automatically if you add a new source image <li>colomns and rows of the gallery can be specified <li>page index is created automatically <li>obsolete thumbnails will be removed <li>etc. </ul> You can get the complete source as a zipped project file from <a href=http://www.circle.ch/scripts/ target=_>http://www.circle.ch/scripts/</a> <?php /** * Topic: Generating a thumbnail gallery * Author: Urs Gehrig <urs_at_circle_dot_ch> * Date: 07-04-2001 * Version: 0.2.0 * * Copyright: Copyright (c) 2001 by Urs Gehrig * * History: [07-04-2001] Version 0.2.0 * [02-04-2001] Version 0.1.0 * * API: Here a minimal set of code, to generate a gallery: * * require_once("includes/autogallery.inc"); * * // define galleries; always start with an index of 1! * $multiple = array( * 1 => array("cache", "images/2001", "images/frame.png", "Gallery 1" ), * 2 => array("cache", "images/2002", "images/frame.png", "Gallery 2" ), * ); * * // handle query-manipulations * if(!isset($HTTP_GET_VARS[g])) $g=1; * * // get instance * $ag = new autogallery($multiple[$g][0], $multiple[$g][1], $multiple[$g][2] ); * * echo "<html><head>".$ag->show_jscript("autogallery")."</head><body>"; * echo $ag->thumbnail_table(3, 2, $multiple )."</body></html>"; / class autogallery { /* * Class constructor * * @param $path, $src, $tpl / function autogallery($path="cache", $src="images/2001", $tpl="images/frame.png" ) { $this->path = $path; $this->src = $src; $this->tpl = $tpl; $this->page = "p"; $this->gallery = "g"; $this->prefix = sprintf("%s_", substr(md5($this->src ), 0, 6 ) ); $this->idxfile = sprintf("_%s.txt", md5($this->src ) ); $this->resize(); $this->checkup(); } function show_jscript($pagetitle="autogallery" ) { global $SERVER_NAME, $SERVER_PORT, $PHP_SELF; $host = "http://" . $SERVER_NAME . ($SERVER_PORT == 80 ? "" : ":$SERVER_PORT") . (strlen($PHP_SELF) ? "" . str_replace(basename($PHP_SELF), "", $PHP_SELF ) : ""); $str .= "\n<script language=\"JavaScript\">\n"; $str .= "<!--\n"; $str .= "function popup (img,sx,sy,num) {\n"; $str .= " image = \"<a href='javascript:self.close()'><img src=\" + img + \" border=0 alt='Click to Close'></a>\";\n"; $str .= " popupwin=window.open(\"\",\"image_\"+num,\"toolbar=no,location=no,directories=no,status=no,menubar=no,top=10,left=10,width=\"+sx+\",height=\"+sy+\"\");\n"; $str .= sprintf(" popupwin.document.write(\"<HTML><HEAD><TITLE>%s</TITLE><BASE HREF=\\\"%s\\\"></HEAD><BODY BGCOLOR=#FFFFFF><CENTER>\" + image + \"</CENTER></BODY></HTML>\");\n", $pagetitle, $host ); $str .= " popupwin.document.close();\n"; $str .= "}\n"; $str .= "\n"; $str .= "function go_menu(menu) {\n"; $str .= " choice = menu.selectedIndex;\n"; $str .= " if (menu.options[choice].value != \"\") {\n"; $str .= " window.location.href = menu.options[choice].value;\n"; $str .= " }\n"; $str .= "}\n"; $str .= "// -->\n"; $str .= "</script>\n"; return $str; } /* * Construct a selection menu based on an array passed to the method * * @param array $multiple / function select_gallery($multiple=array() ) { global $HTTP_GET_VARS; // reset page-index to page 1 $HTTP_GET_VARS[$this->page] = 0; // construct selection-form $str .= "\n<form name=\"navigator\" method=\"get\">\n"; $str .= "<select name=navMenu style=\"width:150; font:9pt\" onChange=\"return go_menu(navigator.navMenu);\" size=\"1\">\n"; $str .= "<option selected>select ...</option>\n"; for($i=1; $i<=count($multiple); $i++) { $str .= sprintf("<option value=\"?%s\">%s</option>\n", $this->url($this->gallery, "$this->gallery=$i" ), $multiple[$i][3] ); } $str .= "</select>\n"; $str .= "</form>\n\n"; return $str; } /* * Resizes jp(e)g files within the $src-directory and stores * the thumbnails in the $path-directory by adding a "_" to the filename. / function resize() { $count = 0; $d = dir($this->src ); $fp = fopen("$this->path/$this->idxfile", "a+" ); while($entry=$d->read() ) { if(eregi(".+\.jp[e]{0,1}g$", $entry )) { if(!file_exists("$this->path/_$this->prefix$entry" )) { $src = ImageCreateFromJPEG("$d->path/$entry" ); $org_h = imagesy($src ); $org_w = imagesx($src ); if($org_h > $org_w ) { $cfg[height] = 120; $cfg[width] = floor($cfg[height] $org_w / $org_h ); $cfg[dstX] = 60 - ($cfg[width] * 0.5); $cfg[dstY] = 0; } else { $cfg[width] = 120; $cfg[height] = floor($cfg[width] * $org_h / $org_w ); $cfg[dstX] = 0; $cfg[dstY] = 60 - ($cfg[height] * 0.5); } $img = ImageCreateFromPNG($this->tpl ); ImageCopyResized($img, $src, $cfg[dstX], $cfg[dstY], 0, 0, $cfg[width], $cfg[height], $org_w, $org_h ); ImageJPEG($img, "$this->path/_$this->prefix$entry", 90 ); ImageDestroy($img ); // create an index file with "thumbnailfile, filename, width, height" if(!strstr(join("", file("$this->path/$this->idxfile") ), $entry )) { fwrite($fp, "_$this->prefix$entry,$entry,$org_w,$org_h"."\n", strlen("_$this->prefix$entry,$entry,$org_w,$org_h"."\n" )); } } } } fclose($fp); $d->close(); } /** * clean-up cache images where there is no original image and update indexlist / function checkup() { // get the current indexfile $idx = file("$this->path/$this->idxfile" ); $i=0; // make a reference string $d = dir($this->src ); while($entry=$d->read() ) { $ref_idx .= "$entry,"; } $d->close(); // crosscheck for obsolete thumbnails for($f=0; $f<count($idx); $f++) { $items = explode(",", $idx[$f] ); if(strstr($ref_idx, trim($items[1]) )) { $new_idx[$i++] = trim($idx[$f])."\n"; } else { if(file_exists("$this->path/".$items[0])) unlink("$this->path/".$items[0] ); } } // update indexfile $fp = fopen("$this->path/$this->idxfile", "w+" ); for($k=0; $k<count($new_idx); $k++) { fwrite($fp, trim($new_idx[$k])."\n", strlen(trim($new_idx[$k])."\n" )); } fclose($fp); } /* * Make an html table with thumbnail-links * * @param $cols, $rows, $multiple / function thumbnail_table($cols=3, $rows=3, $multiple=array() ) { global $HTTP_GET_VARS, $PHP_SELF, $QUERY_STRING; // get indexfile $idx = file("$this->path/$this->idxfile"); // calculate start and end of page index $cfg[start] = $HTTP_GET_VARS[$this->page] $cols * $rows; $cfg[stop] = ($HTTP_GET_VARS[$this->page] + 1 ) * $cols * $rows; $table .= "\n<!-- image gallery -->\n"; $table .= "<table border=\"0\" cellpadding=\"10\" cellspacing=\"0\" align=\"center\">\n<tr>\n"; $table .= "<tr><td colspan=$cols align=\"right\">" . $this->select_gallery($multiple ) . "</td>\n<tr>\n"; // construct table for($j=$cfg[start]; $j<$cfg[stop]; $j++ ) { $itemlist = explode(",", $idx[$j] ); if(eregi(".+\.jp[e]{0,1}g$", $itemlist[1] )) { $table .= sprintf("<td bgcolor=\"#CC0033\"><a href=\"javascript:popup('%s',%s,%s,$j);\"><img src=\"%s\" alt=\"Click\" border=\"0\"></a></td>\n", "$this->src/".$itemlist[1], $itemlist[2]+20, $itemlist[3]+20, "$this->path/".$itemlist[0] ); $k++; if($k == $cols ) { $table .= "</tr>\n<tr>\n"; $k = 0; } } } $table .= "</tr>\n<tr><td colspan=\"$cols\">"; // create page index for($n=0, $l=0; $n<count($idx); $n=$n+($cols$rows) ) { $table .= sprintf("<a href=\"?%s\">%s</a>\n", $this->url($this->page, "$this->page=$l" ), ++$l ); } $table .= "</td></tr>\n</table>\n"; $table .= "<!-- /image gallery -->\n"; return $table; } /* * Proper handling of query-string to make this script * application-independent and easy-integratable. * * @param $index, $addon */ function url($index="page", $addon="" ) { global $HTTP_GET_VARS; foreach($HTTP_GET_VARS as $key => $val ) { $q[$key] = $val; } if(is_array($q )) { // remove $index element from the list unset($q[$index]); // create new query-string foreach($q as $key => $val ) { $str .= "$key=$val&"; } return $str . $addon; } else { return $addon; } } } ?>
This class allows you to very easily create thumbnails of images, on which you can also apply a drop-shadow effect. You can control the colour of the background so that drop-shadow will fit better onto your page and the size of the thumbnail. You can resize in an absolute or relative way (to a certain size or by a certain size), both as a pixel number or a percentage. <?php // // class.dropshadow.php // version 2.0.0, 21st May, 2003 // // License // // PHP class to create thumbnails of images and/or to add a drop shadow effect. // // Copyright (C) 2002 Andrew Collington, php@amnuts.com, http://php.amnuts.com/ // // This program is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free Software // Foundation; either version 2 of the License, or (at your option) any later // version. // // This program is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. // // You should have received a copy of the GNU General Public License along with // this program; if not, write to the Free Software Foundation, Inc., 59 Temple // Place - Suite 330, Boston, MA 02111-1307, USA. // // Description // // This class allows for easy creation of images with a drop shadow effect. // Images can be read from a file or passed as a string (as you might take // the images from a database), and they can also be resized for easy // creation of thumbnails. You can also change the background colour of // the image and generate the correct colour through the shadow. // // Requirements // // PHP 4.1.0+, GD 2.0.1+ // // Shadow images // // I found that the best way to create a drop shadow was to first create // the shadow in an art program, and then split it up into 8 seperate // pieces; top left corner, top line, top right corner, left side, right // side, bottom left corner, bottom line, and bottom right corner. // // If you don't like the spacing of the drop shadow, then you could easily // create your own drop shadows and over-write the files supplied. The // different sizes of the drop-shadow images should be automatically taken // into consideration. If you create your own shadows then you must save // them as PNG-24 (24-bit), as that level of alpha channels is required. // // If no drop-shadow images can be located (or it cannot load up all of the // images) then it will still save the image (resized if you told it to be), // just without the drop-shadow effect. // // // Andrew Collington, 2003 // php@amnuts.com, http://php.amnuts.com/ // class dropShadow { var $_imgOrig; // the original image var $_imgFinal; // the final image, resized var $_imgShadow; // the final image with a drop shadow, if applied var $_shadows; // the dropshadow image array var $_shadowPath; // the path to the dropshadow images var $_showDebug; // debugging on/off (TRUE/FALSE) // // Constructor // function dropShadow($debug = FALSE) { $this->_showDebug = ($debug ? TRUE : FALSE); $this->_imgOrig = $this->_imgFinal = $this->_imgFinal = NULL; $this->_shadows = array(); } // // User called functions // // // loads the original image. If no extension is passed to $forceext then it will attempt // to load the correct type based on the $filename. // function loadImage($filename, $forceext = '') { if (!@file_exists($filename)) { $this->_debug('loadImage', "The supplied file name '$filename' does not point to an existing file."); return FALSE; } $ext = ($forceext == '' ? $this->_getExtension($filename) : $forceext); if ($ext == 'jpg') $ext = 'jpeg'; $func = "imagecreatefrom$ext"; if (!@function_exists($func)) { $this->_debug('loadImage', "That file cannot be loaded with the function '$func'."); return FALSE; } $this->_imgOrig = @$func($filename); if ($this->_imgOrig == NULL) { $this->_debug('loadImage', 'The image could not be loaded.'); return FALSE; } return TRUE; } // // load an image from a string, for example, from a database row // function loadImageFromString($string) { $this->_imgOrig = @ImageCreateFromString($string); if ($this->_imgOrig == NULL) { $this->_debug('loadImageFromString', 'The image could not be loaded.'); return FALSE; } return TRUE; } // // saves the final image resource to the file system. If no extension is given for $forceext // then it will attempt to save based on the file name. // $quality is a value from 1 to 100, inclusive, and only used when outputting as a jpg // function saveFinal($filename, $forcetype = '', $quality = 80) { return ($this->_saveImage($filename, $this->_imgFinal, $forcetype, $quality)); } // // saves the final image resource to the file system. If no extension is given for $forceext // then it will attempt to save based on the file name. // $quality is a value from 1 to 100, inclusive, and only used when outputting as a jpg // function saveShadow($filename, $forcetype = '', $quality = 80) { return ($this->_saveImage($filename, $this->_imgShadow, $forcetype, $quality)); } // // show the final image as either a png or jpg // $quality is a value from 1 to 100, inclusive, and only used when outputting as a jpg // function showFinal($type = 'png', $quality = 80) { return ($this->_showImage($this->_imgFinal, $type, $quality)); } // // show the final shadowed image as either a png or jpg // $quality is a value from 1 to 100, inclusive, and only used when outputting as a jpg // function showShadow($type = 'png', $quality = 100) { return ($this->_showImage($this->_imgShadow, $type, $quality)); } // // allows you to set where the drop-shadow images will be located // function setShadowPath($path = '.') { $this->_shadowPath = realpath($path); if ($this->_shadowPath[strlen($this->_shadowPath)-1] != '/') $this->_shadowPath .= '/'; } // // resize the original image by a certain pixel size // if 0 is supplied for $x or $y then the resize will be proportional // function resizeBySize($x, $y) { $nx = @ImageSX($this->_imgOrig) - $x; $ny = @ImageSY($this->_imgOrig) - $y; if ($x == 0) list($nx, $ny) = $this->_getProportionalSize(0, $ny); if ($y == 0) list($nx, $ny) = $this->_getProportionalSize($nx, 0); $this->_debug('resizeBySize', "Image size is $nx / $ny"); return ($this->_resizeImage($nx, $ny, 'resizeBySize')); } // // resize the original image to a certain pixel size // if 0 is supplied for $x or $y then the resize will be proportional // function resizeToSize($x, $y) { $nx = $x; $ny = $y; if ($x == 0) list($nx, $ny) = $this->_getProportionalSize(0, $y); if ($y == 0) list($nx, $ny) = $this->_getProportionalSize($x, 0); $this->_debug('resizeToSize', "Image size is $nx / $ny"); return ($this->_resizeImage($nx, $ny, 'resizeToSize')); } // // resize the original image by a certain percent of the original // if 0 is supplied for $percentx or $percenty then the resize will be proportional // function resizeByPercent($percentx, $percenty) { $nx = @ImageSX($this->_imgOrig) - (($percentx / 100) * @ImageSX($this->_imgOrig)); $ny = @ImageSY($this->_imgOrig) - (($percenty / 100) * @ImageSY($this->_imgOrig)); if ($percentx == 0) list($nx, $ny) = $this->_getProportionalSize(0, $ny); if ($percenty == 0) list($nx, $ny) = $this->_getProportionalSize($nx, 0); $this->_debug('resizeByPercent', "Image size is $nx / $ny"); return ($this->_resizeImage($nx, $ny, 'resizeByPercent')); } // // resize the original image to a certain percent of the original // if 0 is supplied for $percentx or $percenty then the resize will be proportional // function resizeToPercent($percentx, $percenty) { $nx = ($percentx / 100) * @ImageSX($this->_imgOrig); $ny = ($percenty / 100) * @ImageSY($this->_imgOrig); if ($percentx == 0) list($nx, $ny) = $this->_getProportionalSize(0, $ny); if ($percenty == 0) list($nx, $ny) = $this->_getProportionalSize($nx, 0); $this->_debug('resizeToPercent', "Image size is $nx / $ny"); return ($this->_resizeImage($nx, $ny, 'resizeToPercent')); } // // apply the drop shadow to the final image resource // this will overwrite the final image resource with the drop-shadowed version // the background colour can be changed by passing an HTML hex value (with or without the #) // function applyShadow($bgcolour = 'FFFFFF') { // make sure we have the image resource if ($this->_imgFinal == NULL) { $this->_debug('applyShadow', 'There is no resized image, so the original image is being used.'); if ($this->_imgOrig == NULL) { $this->_debug('applyShadow', 'There is no original image loaded.'); return FALSE; } $this->_resizeImage(@ImageSX($this->_imgOrig), @ImageSY($this->_imgOrig), 'applyShadow'); if ($this->_imgFinal == NULL) { $this->_debug('applyShadow', 'The destination image could not be created.'); return FALSE; } } // attempt to load the drop shadow array if ($this->_shadows['l'] == NULL) $this->_shadows['l'] = @ImageCreateFromPNG($this->_shadowPath . "ds_left.png"); if ($this->_shadows['r'] == NULL) $this->_shadows['r'] = @ImageCreateFromPNG($this->_shadowPath . "ds_right.png"); if ($this->_shadows['t'] == NULL) $this->_shadows['t'] = @ImageCreateFromPNG($this->_shadowPath . "ds_top.png"); if ($this->_shadows['b'] == NULL) $this->_shadows['b'] = @ImageCreateFromPNG($this->_shadowPath . "ds_bottom.png"); if ($this->_shadows['tl'] == NULL) $this->_shadows['tl'] = @ImageCreateFromPNG($this->_shadowPath . "ds_tlcorner.png"); if ($this->_shadows['tr'] == NULL) $this->_shadows['tr'] = @ImageCreateFromPNG($this->_shadowPath . "ds_trcorner.png"); if ($this->_shadows['bl'] == NULL) $this->_shadows['bl'] = @ImageCreateFromPNG($this->_shadowPath . "ds_blcorner.png"); if ($this->_shadows['br'] == NULL) $this->_shadows['br'] = @ImageCreateFromPNG($this->_shadowPath . "ds_brcorner.png"); // verify all is well foreach($this->_shadows as $key => $val) { if ($val == NULL) { $this->_debug('applyShadow', 'The shadow files could not be loaded.'); return FALSE; } } // create go-between image $ox = @ImageSX($this->_imgFinal); $oy = @ImageSY($this->_imgFinal); $nx = @ImageSX($this->_shadows['l']) + @ImageSX($this->_shadows['r']) + @ImageSX($this->_imgFinal); $ny = @ImageSY($this->_shadows['t']) + @ImageSY($this->_shadows['b']) + @ImageSY($this->_imgFinal); $this->_debug('applyShadow', "Original image size = $ox/$oy : Drop shadowed image size = $nx/$ny"); $this->_imgShadow = @ImageCreateTrueColor($nx, $ny); if ($this->_imgShadow == NULL) { $this->_debug('applyShadow', 'The drop-shadowed image resource could not be created.'); return FALSE; } // pre-process the image $background = $this->_htmlHexToBinArray($bgcolour); @ImageAlphaBlending($this->_imgShadow, TRUE); @ImageFill($this->_imgShadow, 0, 0, @ImageColorAllocate($this->_imgShadow, $background[0], $background[1], $background[2])); // apply the shadow // top left corner @ImageCopyResampled($this->_imgShadow, $this->_shadows['tl'], 0, 0, 0, 0, @ImageSX($this->_shadows['tl']), @ImageSY($this->_shadows['tl']), @ImageSX($this->_shadows['tl']), @ImageSY($this->_shadows['tl'])); // top shadow @ImageCopyResampled($this->_imgShadow, $this->_shadows['t'], @ImageSX($this->_shadows['l']), 0, 0, 0, $ox, @ImageSY($this->_shadows['t']), @ImageSX($this->_shadows['t']), @ImageSY($this->_shadows['t'])); // top right corner @ImageCopyResampled($this->_imgShadow, $this->_shadows['tr'], ($nx - @ImageSX($this->_shadows['r'])), 0, 0, 0, @ImageSX($this->_shadows['tr']), @ImageSY($this->_shadows['tr']), @ImageSX($this->_shadows['tr']), @ImageSY($this->_shadows['tr'])); // left shadow @ImageCopyResampled($this->_imgShadow, $this->_shadows['l'], 0, @ImageSY($this->_shadows['t']), 0, 0, @ImageSX($this->_shadows['l']), $oy, @ImageSX($this->_shadows['l']), @ImageSY($this->_shadows['l'])); // right shadow @ImageCopyResampled($this->_imgShadow, $this->_shadows['r'], ($nx - @ImageSX($this->_shadows['r'])), @ImageSY($this->_shadows['tl']), 0, 0, @ImageSX($this->_shadows['r']), $oy, @ImageSX($this->_shadows['r']), @ImageSY($this->_shadows['r'])); // bottom left corner @ImageCopyResampled($this->_imgShadow, $this->_shadows['bl'], 0, ($ny - @ImageSY($this->_shadows['b'])), 0, 0, @ImageSX($this->_shadows['bl']), @ImageSY($this->_shadows['bl']), @ImageSX($this->_shadows['bl']), @ImageSY($this->_shadows['bl'])); // bottom shadow @ImageCopyResampled($this->_imgShadow, $this->_shadows['b'], @ImageSX($this->_shadows['l']), ($ny - @ImageSY($this->_shadows['b'])), 0, 0, $ox, @ImageSY($this->_shadows['b']), @ImageSX($this->_shadows['b']), @ImageSY($this->_shadows['b'])); // bottom right corner @ImageCopyResampled($this->_imgShadow, $this->_shadows['br'], ($nx - @ImageSX($this->_shadows['r'])), ($ny - @ImageSY($this->_shadows['b'])), 0, 0, @ImageSX($this->_shadows['br']), @ImageSY($this->_shadows['br']), @ImageSX($this->_shadows['br']), @ImageSY($this->_shadows['br'])); // apply the picture @ImageCopyResampled($this->_imgShadow, $this->_imgFinal, @ImageSX($this->_shadows['l']), @ImageSY($this->_shadows['t']), 0, 0, $ox, $oy, @ImageSX($this->_imgFinal), @ImageSY($this->_imgFinal)); return TRUE; } // // clean up image resources // 0 = original image only // 1 = final image only // 2 = shadow images only // 3 = all images // function flushImages($which = 5) { switch ($which) { case 0: @ImageDestroy($this->_imgOrig); $this->_imgOrig = NULL; break; case 1: @ImageDestroy($this->_imgFinal); $this->_imgFinal = NULL; break; case 3: @ImageDestroy($this->_imgShadow); $this->_imgShadow = NULL; break; case 4: @ImageDestroy($this->_shadows['l']); @ImageDestroy($this->_shadows['r']); @ImageDestroy($this->_shadows['t']); @ImageDestroy($this->_shadows['b']); @ImageDestroy($this->_shadows['tl']); @ImageDestroy($this->_shadows['tr']); @ImageDestroy($this->_shadows['bl']); @ImageDestroy($this->_shadows['br']); unset($this->_shadows); break; case 5: @ImageDestroy($this->_imgOrig); @ImageDestroy($this->_imgFinal); @ImageDestroy($this->_imgShadow); @ImageDestroy($this->_shadows['l']); @ImageDestroy($this->_shadows['r']); @ImageDestroy($this->_shadows['t']); @ImageDestroy($this->_shadows['b']); @ImageDestroy($this->_shadows['tl']); @ImageDestroy($this->_shadows['tr']); @ImageDestroy($this->_shadows['bl']); @ImageDestroy($this->_shadows['br']); $this->_imgOrig = $this->_imgFinal = $this->_imgShadow = NULL; unset($this->_shadows); break; } } // // Internal functions // // // get the file extension of the given filename // function _getExtension($filename) { $ext = strtolower(substr($filename, (strrpos($filename, '.') ? strrpos($filename, '.') + 1 : strlen($filename)), strlen($filename))); if ($ext == 'jpg') $ext = 'jpeg'; return $ext; } // // if only the width is supplied, get the height based on the original image size // if only the height is supplied, get the width based on the original image size // function _getProportionalSize($x, $y) { if (!$x) $x = ($y / ImageSY($this->_imgOrig)) * ImageSX($this->_imgOrig); else $y = ImageSY($this->_imgOrig) / (ImageSX($this->_imgOrig) / $x); return array($x, $y); } // // core functionality for the resizing of an image // function _resizeImage($nx, $ny, $function) { if ($this->_imgOrig == NULL) { $this->_debug($function, 'The original image has not been loaded.'); return FALSE; } if (($nx < 0) \|\| ($ny < 0)) { $this->_debug($function, 'The image could not be resized because the size given is not valid.'); return FALSE; } if ($this->_imgFinal) $this->flushImages(1); $this->_imgFinal = @ImageCreateTrueColor($nx, $ny); @ImageCopyResampled($this->_imgFinal, $this->_imgOrig, 0, 0, 0, 0, $nx, $ny, @ImageSX($this->_imgOrig), @ImageSY($this->_imgOrig)); } // // show the final image as either a png or jpg // $quality is a value from 1 to 100, inclusive, and only used when outputting as a jpg // function _showImage($resource, $type, $quality) { if ($resource == NULL) { $this->_debug('_showImage', 'There is no processed image to show.'); return FALSE; } if ($type == 'png') { header('Content-Type: image/png'); echo @ImagePNG($resource); return TRUE; } else if ($type == 'jpg' \|\| $type == 'jpeg') { header('Content-Type: image/jpeg'); echo @ImageJPEG($resource, '', $quality); return TRUE; } else { $this->_debug('_showImage', "Could not show the output file as a $type."); return FALSE; } } // // saves the image resource to the file system. If no extension is given for $type // then it will attempt to save based on the file name. // $quality is a value from 1 to 100, inclusive, and only used when outputting as a jpg // $img is the image resource // function _saveImage($filename, $img, $type, $quality) { if ($img == NULL) { $this->_debug('_saveImage', 'There is no processed image to save.'); return FALSE; } $ext = ($type == '' ? $this->_getExtension($filename) : $type); if ($ext == 'jpg') $ext = 'jpeg'; $func = "image$ext"; if (!@function_exists($func)) { $this->_debug('_saveImage', "That file cannot be saved with the function '$func'."); return FALSE; } if ($ext == 'png') $saved = @$func($img, $filename); if ($ext == 'jpeg') $saved = @$func($img, $filename, $quality); if ($saved == FALSE) { $this->_debug('_saveImage', "Could not save the output file '$filename' as a $ext."); return FALSE; } else { return TRUE; } } // // convert HTML hex value into integer array // function _htmlHexToBinArray($hex) { $hex = @preg_replace('/^#/', '', $hex); for ($i=0; $i<3; $i++) { $foo = substr($hex, 2$i, 2); $rgb[$i] = 16 hexdec(substr($foo, 0, 1)) + hexdec(substr($foo, 1, 1)); } return $rgb; } // // write out some debugging information to screen // function _debug($function, $string) { if ($this->_showDebug) { echo "<p><strong style=\"color:#FF0000\">Debug message from function $function:</strong> $string</p>\n"; } } } ?>
This is the first version of my Dynamic Gallery page. Dynamically takes the images from given categorys in each directory of that category, and creates a thumbnail on the fly. Very useful script. <? //____________________________________________// // _ _____ _ _ // // _____ ___ _\| \| __\|___\| \| \|___ ___ _ _ // // \| \| .'\| . \| \| \| .'\| \| \| -_\| _\| \| \| // // \|_\|_\|_\|__,\|___\|_____\|__,\|_\|_\|___\|_\| \|_ \| // // \|___\| // //____________________________________________// /* PHP - M a d G a l l e r y Structure layout: + index.php \|-- imagesdir1 \|-- gallery1 \| \|-- image.jpg \|-- gallery2 \|-- image.jpg */ // Session starter. session_start(); session_register(); // Request query strings. import_request_variables ("g","_"); // Configuration variables. $imgsDir = "images/"; $imgsUrl = "http://website.com/images"; $siteTitle = "Title - $imgsUrl"; $webMaster = "Webmaster > Webmaster@Website.com"; // HTML Template. $headerPage = " <html> <head> <title>".$siteTitle." > ".$webMaster."</title> <!doctype html public \"-//w3c//dtd html 4.0 transitional//en\"> <meta http-equiv=\"Content-type\" content=\"text/html; charset=iso-8859-1\"> <style> A:Link, A:Active, A:Visited { color: #000000; font-face: Verdana, Arial, Helvetica; font-size: 12px; text-decoration: none } A:Hover { color: #FF0000 } Body { color: #000000; font-face: Verdana, Arial, Helvetica; font-size: 12px; text-decoration: none; background-attachment: fixed; background-repeat: no-repeat; background-position: top left } .Border { border-style: solid; border-width: 1; border-color: #000000 } .Thumb { border-color: #000000; border-style: solid; border-width: 1; filter: alpha(opacity=50) } </style> </head> <body background=\"images/Background.gif\" bgproperties=\"fixed\"> "; $footerPage = " <br><hr size=\"1\" color=\"#000000\" width=\"100%\" noshade> Contact: <b>".$webMaster."</b> </body> </html> "; // Index page. if (!isset ($_cat) && !isset ($_pid)) { // Print header page. print $headerPage; // Check if img directory exists. if (!is_dir($imgsDir)) { // Return error message. die (" $headerPage <b>E</b>rror-> $imgsDir does not exist! $footerPage "); } // Get images directory into array. $imgsArray = array (); $d = dir ("$imgsDir"); while (false !== ($string = $d->read())) { if ($string != "." && $string != ".." && $string != "Thumbs.db" && $string != "thumbs") { array_push ($imgsArray, $string); } } $d->close(); // Sort array. sort ($imgsArray); reset ($imgsArray); // Print out main. print " <font size=\"6\">".$siteTitle."</font> <hr size=\"1\" color=\"#000000\" width=\"100%\" noshade> <font size=\"3\"><i>Select a gallery below to view the contents held within that desired gallery.</i></font> <hr size=\"1\" color=\"#000000\" width=\"100%\" noshade><br> "; // Create thumbnails. $i = 0; foreach ($imgsArray as $key => $value) { // Grab thumbnail $tArray = array (); $t = dir ("$imgsDir/$value"); while (false !== ($string = $t->read())) { if ($string != "." && $string != ".." && $string != "Thumbs.db" && $string != "thumbs") { array_push ($tArray, $string); } } $d->close(); $image = "$tArray[0]"; $src = "$imgsDir/$value/$image"; if (!file_exists("images/thumbs_index/$image")) { copy($src,"images/thumbs_index/$image"); if (filesize("images/thumbs_index/$image") > "20500") { exec("D:/WebRoot/Bin/ImageMagick/mogrify.exe -resize 86x74 D:/WebRoot/Docs/wpgirls.gotdns.org/images/thumbs_index/$image"); } } else { if (!session_is_registered("tmp")) { $indexed[$i][name] = $value; $indexed[$i][url] = "?cat=$value&pid=0"; $indexed[$i][thumb] = "images/thumbs_index/$image"; } } $i++; } // Grab session if any. if (!session_is_registered("tmp")) { session_register("tmp"); $_SESSION[tmp] = $indexed; } else if (session_is_registered("tmp")) { $indexed = array(); $indexed = $_SESSION[tmp]; } // Create the dynamic table. $i = 0; $cols = 6; $rows = count($indexed) / $cols; print "<table width=\"690\">"; for ($r = 0; $r < $rows; $r++) { print "<tr>"; for ($c = 0; $c < $cols; $c++) { if (file_exists("".$indexed[$i][thumb]."")) { print "<td align=\"center\"><a href=\"".$indexed[$i][url]."\" border=\"0\"><img src=\"".$indexed[$i][thumb]."\" width=\"86\" height=\"74\" class=\"Thumb\" onMouseOver=\"this.filters.alpha.opacity='100'\" onMouseOut=\"this.filters.alpha.opacity='50'\"><br>".str_replace("_"," ","".$indexed[$i][name]."")."</a></td>"; } $i++; } print "</tr>"; } print "</table>"; // Print footer page. print " <br><hr size=\"1\" color=\"#000000\" width=\"100%\" noshade> Their are currently <b>[</b> ".count($imgsArray)." <b>]</b> gallerys listed. ".$footerPage; } // Gallery page. if (isset ($_cat)) { // Check for pid. if (isset ($_pid)) { print $headerPage; // Get array from gallery. $imgsArray = array (); $d = dir ("$imgsDir/$_cat"); while (false !== ($string = $d->read())) { if ($string != "." && $string != ".." && $string != "Thumbs.db" && $string != "thumbs") { array_push ($imgsArray, $string); } } $d->close(); // Sort array. sort ($imgsArray); reset ($imgsArray); // Return desired gallery. print " <font size=\"6\">".$siteTitle."</font> <hr size=\"1\" color=\"#000000\" width=\"100%\" noshade> <font size=\"3\"><i>Viewing gallery <b>[</b> ".str_replace("_"," ",$_cat)." <b>]</b></i> - <a href=\"javascript:void(history.go(-1))\">Go Back</a></font> <hr size=\"1\" color=\"#000000\" width=\"100%\" noshade><br> <center> <a href=\"$imgsDir/$_cat/".$imgsArray[$_pid]."\" target=\"_blank\"><img src=\"$imgsDir/".$_cat."/".$imgsArray[$_pid]."\" width=\"640\" height=\"480\" border=\"0\" class=\"Border\"></a><br> <br><hr size=\"1\" color=\"#000000\" width=\"100%\" noshade><br> "; // Grab images from array. $newArray = array (); $i = 0; foreach ($imgsArray as $key => $value) { if ($key != $_pid) { $newArray[$i] = $value; } $i++; } // Return gallery. foreach ($newArray as $key => $value) { if (!file_exists("images/thumbs_gallery/$value")) { copy("$imgsDir/$_cat/$value","images/thumbs_gallery/$value"); if (filesize("images/thumbs_gallery/$value") > "20500") { exec("D:/WebRoot/Bin/ImageMagick/mogrify.exe -resize 100x80 D:/WebRoot/Docs/wpgirls.gotdns.org/images/thumbs_gallery/$value"); } } print "<a href=\"?cat=$_cat&pid=$key\"><img src=\"images/thumbs_gallery/$value\" width=\"100\" height=\"80\" border=\"0\" class=\"Border\"></a> "; } print "</center>\n".$footerPage; } else { // Return error message. die (" $headerPage <b>E</b>rror-> pid not found in query string ... $footerPage "); } } ?>
This code is used to generate an image directory with proportional thumbnails. The number of images on the page can be set as well as the size of the thumbnails generated. Another feature is an automatically generated menu at the bottom of each page. This code is a spin-off of code originally submitted by mauricio portasio. <? # imgdir.php ver 0.10 # # browse image directory function # # generates html table with images and # links to the actual filenames # # jan/2001 - mauricio portasio - portasio@zaz.com.br # feb/2001 - ralph smith - ralph.smith.1@excite.com # pls keep this header block when using these funcs # HINT: When I set this code up, I used two files: # image.inc and images.php. The .inc file contains # the htmldefs and the main functions that drive the code. # Because my plan is to integrate this code into a website, # having the functions and html tid-bits stored in the # include file make them less messy to deal with and I can # simply call to them in my .php file. The basic contents # of the .php look like this: #include "image.inc"; # main - test # list allowed extensions here # $extensions[1] = "jpeg"; # $extensions[2] = "jpg"; # $extensions[3] = "gif"; # I hope that helps!.....RS........................... # >>>>><<<<<<>>>>>>><<<<<<<>>>>>>>><<<<<<<<>>>>>>><<<< # no support is provided, but please send # suggestions or bug reports. # tested on: # Apache/1.3.14 (Win98 4.1) PHP/4.04 # Apache/1.3.12 (Unix) PHP/4.0.3pl1 # load html tag definitions # require ("htmldefs.inc"); # suggestion: move defines below to htmldefs.inc and uncomment line above define ("LINE_BREAK", "<br>"); define ("TABLE_START", "<table width=600>\n"); define ("TABLE_END", "</table>\n"); define ("ROW_START", " <tr>\n"); define ("ROW_END", " </tr>\n"); define ("COL_START", " <td align=center>\n "); define ("COL_END", "\n </td>\n"); define ("IMG_START", "<img src="); define ("IMG_END", ">"); define ("IMG_WIDTH", " width="); define ("IMG_HEIGHT", " height="); define ("A_START", '<a href="'); define ("A_CLOSE", '">'); define ("A_END", "</a>"); <? # showDir # # show table with images and links # $browsedir (string - path name) # $adirectory (array - filenames w/o path) function showDir ($adirectory, $i) { global $browsedir; $start = $i; # change layout options here - should be parameters actually... $maxcols = 3; $maximages = 21; $maximages = $i + ($maximages - 3); $imagemaxwidth = 80; $imagemaxheight = 60; $imagemaxratio = $imagemaxwidth / $imagemaxheight; $ndirectory = sizeof ($adirectory); echo (TABLE_START); for ($i; $i<=$maximages;) { echo (ROW_START); for ($icols=1; $icols<=$maxcols; $icols++) { echo (COL_START); $imagefilename = $adirectory[++$i]; if (strlen($imagefilename)>0) { $imagepath = $browsedir."/".$imagefilename; $imagesize = GetImageSize ($imagepath); if ($imagesize) { $imagewidth = $imagesize[0]; $imageheight = $imagesize[1]; $imageratio = $imagewidth / $imageheight; if ($imageratio > $imagemaxratio) { $imageoutputwidth = $imagemaxwidth; $imageoutputheight = ceil ($imagemaxwidth/$imagewidth$imageheight); } else if ($imageratio < $imagemaxratio) { $imageoutputheight = $imagemaxheight; $imageoutputwidth = ceil ($imagemaxheight/$imageheight$imagewidth); } else { $imageoutputwidth = $imagemaxwidth; $imageoutputheight = $imagemaxheight; } echo (A_START.$imagepath.A_CLOSE); echo (IMG_START.$imagepath.IMG_WIDTH.$imageoutputwidth.IMG_HEIGHT.$imageoutputheight.IMG_END); echo (LINE_BREAK.$adirectory[$i]); echo (A_END); } echo (COL_END); } } echo (ROW_END); } echo (TABLE_END); pagemenu ($browsedir, $ndirectory, $start); } function pagemenu ($browsedir, $ndirectory, $pg) { print "<font face=\"Verdana, Arial, Helvetica, sans-serif\" size=\"1\" color=\"#000033\">Page :"; $pg_num = 1; for ($img_num = 0; $img_num <= $ndirectory;) { if ($pg == $img_num): print "<span class=\"menulink_1\"><a href=\"images_test.php?browsedir=$browsedir&start=$img_num\"> *$pg_num</a> <span>"; else: print "<span class=\"menulink_2\"><a href=\"images_test.php?browsedir=$browsedir&start=$img_num\"> $pg_num</a> <span>"; endif; $pg_num = $pg_num + 1; $img_num = $img_num + 21; } print "</font>\n"; } # dirToArray # # directory to array extractor # $browsedir (string - path name) # $extentions (array - extensions to be listed) function dirToArray ($browsedir, $extensions) { $nextensions = sizeof ($extensions); $idirectory = 0; $directory = dir ($browsedir); while ($entry = $directory->read()) { for ($i=1; $i<=$nextensions; $i++) { $compare = stristr ($entry, $extensions[$i]); if (strlen($compare) == strlen($extensions[$i])) { $adirectory[++$idirectory] = $entry; break; } } } $directory->close(); return $adirectory; } # main - test # list allowed extensions here $extensions[1] = "jpeg"; $extensions[2] = "jpg"; $extensions[3] = "gif"; showDir ( dirToArray ($browsedir, $extensions), $start); ?>
browse your image directories with proportional thumbnails. customize thumbnail size and number of columns. click on images for full size view. generates indented html table code. if you modify this code in any way, pls send me a copy of the enhanced code. <? # imgdir.php ver 0.09 # # browse image directory function # # generates html table with images and # links to the actual filenames # # jan/2001 - mauricio portasio - portasio@zaz.com.br # pls keep this header block when using these funcs # no support is provided, but please send # suggestions or bug reports. # tested on: # Apache/1.3.14 (Win98 4.1) PHP/4.04 # Apache/1.3.12 (Unix) PHP/4.0.3pl1 # load html tag definitions # require ("htmldefs.inc"); # suggestion: move defines below to htmldefs.inc and uncomment line above define ("LINE_BREAK", "<br>"); define ("TABLE_START", "<table width=600>\n"); define ("TABLE_END", "</table>\n"); define ("ROW_START", " <tr>\n"); define ("ROW_END", " </tr>\n"); define ("COL_START", " <td align=center>\n "); define ("COL_END", "\n </td>\n"); define ("IMG_START", "<img src="); define ("IMG_END", ">"); define ("IMG_WIDTH", " width="); define ("IMG_HEIGHT", " height="); define ("A_START", '<a href="'); define ("A_CLOSE", '">'); define ("A_END", "</a>"); # dirToArray # # directory to array extractor # $browsedir (string - path name) # $extentions (array - extensions to be listed) function dirToArray ($browsedir, $extensions) { $MAXDIRSIZE = 200; $nextensions = sizeof ($extensions); $idirectory = 0; $directory = dir ($browsedir); while ($entry = $directory->read()) { for ($i=1; $i<=$nextensions; $i++) { $compare = stristr ($entry, $extensions[$i]); if (strlen($compare) == strlen($extensions[$i])) { $adirectory[++$idirectory] = $entry; break; } } } $directory->close(); return $adirectory; } # showDir # # show table with images and links # $browsedir (string - path name) # $adirectory (array - filenames w/o path) function showDir ($adirectory) { global $browsedir; # change layout options here - should be parameters actually... $maxcols = 4; $imagemaxwidth = 80; $imagemaxheight = 60; $imagemaxratio = $imagemaxwidth / $imagemaxheight; $ndirectory = sizeof ($adirectory); echo (TABLE_START); for ($i=0; $i<=$ndirectory;) { echo (ROW_START); for ($icols=1; $icols<=$maxcols; $icols++) { echo (COL_START); $imagefilename = $adirectory[++$i]; if (strlen($imagefilename)>0) { $imagepath = $browsedir."/".$imagefilename; $imagesize = GetImageSize ($imagepath); if ($imagesize) { $imagewidth = $imagesize[0]; $imageheight = $imagesize[1]; $imageratio = $imagewidth / $imageheight; if ($imageratio > $imagemaxratio) { $imageoutputwidth = $imagemaxwidth; $imageoutputheight = ceil ($imagemaxwidth/$imagewidth$imageheight); } else if ($imageratio < $imagemaxratio) { $imageoutputheight = $imagemaxheight; $imageoutputwidth = ceil ($imagemaxheight/$imageheight$imagewidth); } else { $imageoutputwidth = $imagemaxwidth; $imageoutputheight = $imagemaxheight; } echo (A_START.$imagepath.A_CLOSE); echo (IMG_START.$imagepath.IMG_WIDTH.$imageoutputwidth.IMG_HEIGHT.$imageoutputheight.IMG_END); echo (LINE_BREAK.$adirectory[$i]); echo (A_END); } echo (COL_END); } } echo (ROW_END); } echo (TABLE_END); } # main - test # list allowed extensions here $extensions[1] = "jpeg"; $extensions[2] = "jpg"; $extensions[3] = "gif"; # directory to be browsed $browsedir = "images"; showDir ( dirToArray ($browsedir, $extensions) ); ?>
Generates and saves proportional thumbnails of JPEG images. <?php # +-------------------------------------------------+ # \| J P G T h u m b n a i l G e n e r a t o r \| # +--------------------+----------------------------+ # \| by Kadir Yazgan \| ( kadiryazgan@ixir.com ) \| # +--------------------+----------------------------+ # v1.0 # # Generates a proportional thumbnail image with a given width. # # This script only uses JPEG files. If required libraries are included GIF and PNG files can # also be supported the same way. # # # P a r a m e t e r s # $imgdir: Directory where original images reside. # $tndir: Directory where the thumbnails will be saved. # $tn_w: Thumbnail width. #-+ Include the GD library. dl("php_gd.dll"); #-+ Define the original image if (!isset($img)) { $img = "default.jpg"; } #-+ Directory where original images reside $imgdir = "90/images/"; #-+ Directory where the thumbnails will be saved $tndir = "90/images/tn/"; #-+ Thumbnail width $tn_w = 100; ?> <html> <head> <title> KY JPEG Thumbnail Generator </title> </head> <body> <?php #-+ Check if the file exists if (!file_exists($imgdir.$img)) { die ("Error: File not found..."); } #-+ Check if the file extesion is .jpg $ext = explode('.', $img); $ext = $ext[count($ext)-1]; if (strtolower($ext) != "jpg") { die ("Error: File must be JPEG"); } #-+ Read the source image $src_img = ImageCreateFromJPEG($imgdir.$img); #-+ Get image width and height $org_h = imagesy($src_img); $org_w = imagesx($src_img); #-+ Calculate thumbnail height $tn_h = floor($tn_w * $org_h / $org_w); #-+ Initialize destination image $dst_img = ImageCreate($tn_w,$tn_h); #-+ Do it! ImageCopyResized($dst_img, $src_img, 0, 0, 0, 0, $tn_w, $tn_h, $org_w, $org_h); #-+ Save it! ImageJPEG($dst_img, $tndir.$img); #-+ Print report echo "<h1>KY JPEG Thumbnail Generator</h1>"; echo "Original dimensions: $org_w x $org_h<br>\n"; echo "Thumbnail dimensions: $tn_w x $tn_h<br>\n"; printf ("<a href=\"%s\"><img src=\"%s\" alt=\"Click to view the original image\"></a>", $imgdir.$img, $tndir.$img); ?> </body> </html>
A Function which allows you to create proportional Thumbnails with some features: works with JPG/Gif requires GD 1.6 or higher - grayscale [on \| off] - Border with Bordercolor [on \| off] - antialiasing [on \| off] (GD 2.x, JPG only) - interlace [on \| off] (nice effect) <? ##################################################################################### # Class lib_image - Philipp Wiegel 2002 # mailto: pwiegel@visio-interactive.de # http://www.visio-interactive.de #Usage: createthumb( Resource File with absolut path, # Destination file with absolut path, # Proportional width (height is calculated), # Bordersize in Pixel e.g. 1 # Bordercolor in HEX! e.g. 000000 without "#" # antialias [0\|1], # gray [0\|1] for grayscaling the Thumb, # rasterize [0\|1] nice looking effect with interlaced lines); # # Email me with questions and comments: pwiegel@visio-interactive.de # known BUG: bordercolors sometimes go crazy..... no time to fix this, maybe # anyone could do this. Don't forget to mail the code back to me then :) ##################################################################################### function hex2rgb($hex) { $r=substr($hex,0,2); $g=substr($hex,2,2); $b=substr($hex,4,2); $a[1]=hexdec($r); $a[2]=hexdec($g); $a[3]=hexdec($b); return $a; } function create_thumb($resource, $dest, $x_scale, $bordersize = NULL, $bordercolor = NULL, $antialias = NULL, $gray = NULL, $rasterize = NULL) { $check = GetImageSize($resource); $factor = $check[0]/$check[1]; $y_scale= floor($x_scale/$factor); $im_dest= ImageCreate($x_scale,$y_scale); if ($check[2] == "2") { $im_src = ImageCreateFromJPEG($resource); } if ($check[2] == "1") { $im_src = ImageCreateFromGIF($resource); } if ($im_src) { if (isset($antialias) and $antialias == "1") { ImageCopyResampled($im_dest,$im_src,0,0,0,0,$x_scale,$y_scale,$check[0],$check[1]); } else { ImageCopyResized($im_dest,$im_src,0,0,0,0,$x_scale,$y_scale,$check[0],$check[1]); } if (isset($bordersize) and !empty($bordersize)) { if (isset($bordercolor) and !empty($bordercolor)) { $col = hex2rgb($bordercolor); $col = ImageColorAllocate($im_dest,$col[1],$col[2],$col[3]); ImageRectangle($im_dest,0,0,$x_scale-1,$y_scale-1,$col); } } if (isset($gray) and $gray == "1") { ImageCopyMergeGray($im_dest,$im_dest,0,0,$x_scale,$y_scale,$check[0],$check[1],30); } if (isset($rasterize) and $rasterize == "1") { for ($i=2; $i<=$y_scale-2; $i++) { ImageLine($im_dest,0,$i,$x_scale,$i,10); $i++; } } } if ($check[2] == "2") { if (ImageJPEG($im_dest,$dest)) { return true; } } if ($check[2] == "1") { if (ImageGIF($im_dest,$dest)) { return true; } } ImageDestroy($im_dest); ImageDestroy($im_src); } ?>
This class was created to simplify the process of representing images with thumbnails. This class simply gets the image's size, converts the height and width depending on what you've set the class to do and then outputs and HTML tag with the appropriate values. It requires no additional libraries and is cross-os compatible. <?php /* PHP_Thumbnail Version 0.5 Ryan Flynn (ryan@ryanflynn \|\| DALnet->#php->pizza_milkshake) Monday, June 25 2001 This class was created to simplify the process of representing images with thumbnails. This class simply gets the image's size, converts the height and width depending on what you've set the class to do and then outputs and HTML <img> tag with the appropriate values. It requires no additional libraries and is cross-os compatible. Example usage: require("class.thumbnail.php"); $t=new PHP_Thumbnail(50, 50, '%'); //set to 50% of default size $t->show("tst.gif", "alt=\"this image is at 50% real size\""); $t->set_size(50, 50); //set to 50x50 pixels $t->show("tst.gif", "alt=\"this image is at 50x50 pixels\""); ==================================================== Example of displaying thumbnails of all .gif files in a directory: require("class.thumbnail.php"); $t=new PHP_Thumbnail(50, 50); //set to 50x50 pixels $dir=opendir("somedirectory"); while($img=readdir($dir)){ if(strpos($img, ".gif")){ $t->show($img, "alt=\"this image is at 50% real size\""); echo "<br>"; } } This class has been tested with PHP 4.0.x on Windows 2000/IIS. This calss SHOULD work with PHP3 but is untested. Feel free to email me with any question, suggestions and/or bug reports. Notes: Yes, images in .gif format will probably look crappy when resized. / class PHP_Thumbnail{ var $pct=true; var $height=0; var $width=0; function PHP_Thumbnail($w, $h, $pct=''){ / $w = width in pixels or percentage of the image's default width $h = height in pixels or percentage of the image's default height $measure = optional third argument. set it to '%' to use percentage, set it to anything but '%' (or leave it out completely) to use absolute pixels / if($pct != '%'){ $this->pct = false; $this->width=abs($w); $this->height=abs($h); }else{ $this->width=($w/100); $this->height=($h/100); } } // exterior function show($img, $extra=''){ / $img = image file path $extra = any extra text you want in the <img> tag, i.e. 'alt', 'border' or 'onclick', etc $extra should look like this (single quotes or escaped doublequotes): "alt=\"the alt tag\" onmousover=\"location.href='page.html';\"" / if(!file_exists($img)){ echo "<!-- file '$img' not found -->"; return false; } if(strlen($extra)) $extra = " ".$extra; if($this->pct){ //show $tmp = GetImageSize($img); if($tmp){ $w=round($tmp[0]$this->width); $h=round($tmp[1]$this->height); echo "<img src=\"$img\" height=\"{$h}\" width=\"{$w}\"$extra>"; }else{ echo "<!-- file '$img' is not an image -->"; } }else{ echo "<img src=\"$img\" height=\"{$this->height}\" width=\"{$this->width}\"$extra>"; } } function set_size($w, $h, $measure=''){ / this function allows you to dynamically change your image sizing without creating a new object */ $this->PHP_Thumbnail($w, $h, $measure); } } ?>
Simple Image Resizer 2 Methods available: 1.) percentual Resizing 2.) Just giving new sizes <?php /* #################################################################################### # Image Resizer Function - resize.func.php # use resize($image,$thumb_path,$mode); # # vers 1.0 2004-02-18 written by Ingmar G hr, ig@studiored.de, www.studio-red.de. #################################################################################### # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Library General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ##################################################################################### # Config: # / $w=100; // Width of Thumbnail $h=100; // Height of Thumbnail / # ##################################################################################### / function percent($p, $w) { return (real)(100 ($p / $w)); } function unpercent($percent, $whole) { return (real)(($percent * $whole) / 100); } function resize($img,$dest_path,$mode){ // Initialization SetType($mode, 'integer'); SetType($w, 'integer'); SetType($h, 'integer'); SetType($img, 'string' ); SetType($dest_path, 'string'); SetType($error, 'boolean'); global $w,$h; // Make sure the file exists... if (!file_exists($img)) { return $error; exit(); } // If the user defined a type to use. if (!isset($type)) { $ext = explode('.', $img); $ext = $ext[count($ext)-1]; switch(strtolower($ext)) { case 'jpeg' : $type = 'jpg'; break; default : $type = $ext; break; } } // Create the image... switch (strtolower($type)) { case 'jpg': $tmpe = imagecreatefromjpeg($img); break; case 'gif': $tmpe = @imagecreatefromgif($img); break; case 'png': $tmpe = @imagecreatefrompng($img); break; default: return $error; exit(); break; } if ($tmpe) { // Resize it $ow = imagesx ($tmpe); // Original image width $oh = imagesy ($tmpe); // Original image height if ($mode) { // Just smash it up to fit the dimensions $nw = $w; $nh = $h; } else { // Make it proportional. if ($ow > $oh) { $nw = $w; $nh = unpercent(percent($nw, $ow), $oh); } else if ($oh > $ow) { $nh = $h; $nw = unpercent(percent($nh, $oh), $ow); } else { $nh = $h; $oh = $w; } } $out1 = imagecreate($nw, $nh); imagecopyresized($out1, $tmpe, 0, 0, 0, 0, $nw, $nh, $ow, $oh); imagedestroy($tmpe); } else { return $error; exit; } if ($out1) { switch (strtolower($type)) { case 'jpg': ImageJPEG($out1,$dest_path."/tn_".$img,90); break; case 'gif': ImageGIF($out1,$dest_path."/tn_".$img,90); break; case 'png': ImagePNG($out1,$dest_path."/tn_".$img,90); break; } imagedestroy($out1); } else { return $error; } } ?>
This class writes some text over a image <?php /** * This class writes some text over a image * * @author Rochak Chauhan / class TestOnImage { var $text = "Rochak Chauhan"; var $backgroundImage = 'bg.jpg'; var $alphabetDir = 'alphabets'; var $imageResource = ''; var $text_X = 0; var $text_Y = 0; /* * Contructor function * * @param string $string * @param int $text_X * @param int $text_Y * @param string $backgroundImage * @param string $alphabetDir * * @return object / function TestOnImage($string, $text_X = 0, $text_Y = 0, $backgroundImage = '', $alphabetDir = '') { $text_X = (int) $text_X; $text_Y = (int) $text_Y; if ($text_X < 0 \|\| $text_X > 999) { trigger_error('Please enter a numeric value for Y coordinate between 0 - 999. You entered: '.$text_X, E_USER_ERROR); exit; } else { $this->text_X = $text_X; } if ($text_Y < 0 \|\| $text_Y > 999) { trigger_error('Please enter a numeric value for the Y coordinate between 0 - 999. You entered: '.$text_Y, E_USER_ERROR); exit; } else { $this->text_Y = $text_Y; } if(trim($backgroundImage) != '') { $this->backgroundImage = $backgroundImage; } if(trim($alphabetDir) != '') { $this->alphabetDir = $alphabetDir; } if(trim($string) != '') { $this->text = $string; $this->createImage(); } } /* * Function to create image from text * / function createImage() { $letterArray = array(); for ($i=0; $i < strlen($this->text); $i++) { $var = strtolower($this->text[$i]); if ($var == ' ') { $var = $this->alphabetDir.DIRECTORY_SEPARATOR."space.gif"; } elseif ($var == '.') { $var = $this->alphabetDir.DIRECTORY_SEPARATOR."dot.gif"; } else { $var = $this->alphabetDir.DIRECTORY_SEPARATOR."$var.gif"; } $letterArray[] = $var; } $imgArray = getimagesize($this->backgroundImage); switch ($imgArray['mime']) { case 'image/gif': $this->imageResource = imagecreatefromgif($this->backgroundImage); break; case 'image/jpeg'; $this->imageResource = imageCreateFromJPEG($this->backgroundImage); break; case 'image/png'; $this->imageResource = imagecreatefrompng($this->backgroundImage); break; default: die("Unsupported image type: ".$this->backgroundImage); } $y = 0; for ($i=0; $i<count($letterArray); $i++) { $s[$i] = imagecreatefromgif($letterArray[$i]); imagecopymerge($this->imageResource, $s[$i], ($this->text_X+$y), $this->text_Y, 0, 0, 20, 30, 100); $y = $y+20; } } /* * Function to display the images (FIREFOX) * / function displayImage($fileName = '') { if(trim($fileName == '')) { header("Content-type: image/jpg"); imagejpeg($this->imageResource); } else { imagejpeg($this->imageResource, $fileName); } } /* * Function to display the images (INTERNET EXPLORER) * */ function displayImageIE() { imagejpeg($this->imageResource, 'image.jpg'); echo '<img src="image.jpg" />'; } } ?>
thumbsfunc 0.1 is a collection of php-functions which allow users to create thumbnails from jpg-file using the jpgtn- package von Jeremy Madea <? /* -------------------------------------------------------------- thumbsfunc 0.1 \|\| http://www.phpwelt.de Copyright (C) 2000 Mike R bsamen <mtr@phpwelt.de> This Software is distributed under the GNU General Public License. It depends on the jpgtn-package by Jeremy Madea -------------------------------------------------------------- description: thumbsfunc 0.1 is a collection of php-functions which allow users to create thumbnails from jpg-file using the jpgtn- package von Jeremy Madea which is downloadable here: http://www.phpwelt.de/archiv/download.php3?id=956644126 installation: - first install the jpgtn-package like described in the auhtor s readme - copy the file "thumb.php3" to your include-directory - import the file to your php-file using the command <? include("ihrpfad/thumbs.php3"); ?> usage: now your able to use the functions "thumb" and "thumbs" function thumb - generating a single thumbnail: void thumb(string input_file, string output_file, int value, string dim[w,h], int quality); input_file = original source-file output_file = thumbnail-filename value = height or width of the thumbnail dim = w=width, h=height (default=w) quality = quality of outputfile [0...100] function thumbs - generating a series of thumbnails: void thumbs(string input_path, string output_path, string prefix, int value, string dim[w,h], int quality); input_path = path holding original source-files output_path = path for create thumbnails to prefix = "first name" of thumbnail-files (pic.jpg --> tn_pic.jpg f r prefix="tn_") value = height or width of the thumbnail dim = w=width, h=height (default=w) quality = quality of outputfile [0...100] example: for an example please execute the file "example.php3" there is a german tutorial and a complete package with jpgtn and a few examples available at: http://www.phpwelt.de contact: Mike R bsamen (mtr@phpwelt.de) http://www.phpwelt.de */ //------------------------------------------------------------ // Function thumb - generating a single thumbnail //------------------------------------------------------------ function thumb($infile,$outfile,$value,$dim,$quality) { if (($dim=="h") \|\| ($dim=="H")): $dim = "-H"; else: $dim = "-W"; endif; if(file_exists($infile)==1) { if (strstr($infile,"/")): copy ($infile,"temp.jpg"); $infile = "temp.jpg"; $parent = "TRUE"; endif; $path = explode("/",$outfile); for ($i=0;$i<(count($path)-1);$i++) { $outpath .= $path[$i]."/"; } if (count($path)==1): $thumbfile = "pre".$infile; $outpath = "."; else: $thumbfile = $outpath."pre".$infile; endif; exec("/usr/local/bin/jpgtn -q $quality $dim -s $value $infile -d $outpath -p pre"); copy ($thumbfile,$outfile); unlink ($thumbfile); if ($parent=="TRUE") unlink ("temp.jpg"); } else { echo "<b>WARNING:</b> Infile: \"$infile\" does not exist!!!"; } } //------------------------------------------------------------ // Function thumbs - generating a series of thumbnails //------------------------------------------------------------ function thumbs($inpath,$outpath,$prefix,$value,$dim,$quality) { if (($dim=="h") \|\| ($dim=="H")): $dim = "-H"; else: $dim = "-W"; endif; if (!$inpath) $inpath = "./"; if (!$outpath) $outpath = "./"; $count = 0; $dir = opendir($inpath); while ($file=readdir($dir)) { $tail=explode(".",$file); if ((strtolower($tail[count($tail)-1])=="jpg") \|\| (strtolower($tail[count($tail)-1])=="jpeg")): $inarray[$count] = $inpath.$file; $filename[$count] = $file; $count++; endif; } if ($count>0): for ($i=0;$i<$count;$i++) { if ($inpath!="./") copy ($inarray[$i],$filename[$i]); exec("/usr/local/bin/jpgtn -q $quality $dim -s $value $filename[$i] -d $outpath -p $prefix"); if ($inpath!="./") unlink ($filename[$i]); } else: echo "<b>WARNING:</b> Inpath contains no JPG-Files!!!"; endif; } ?>
Thumbnail function GD library enamble or disable <!--thumbnail.php START--> <?php $file = urldecode($HTTP_GET_VARS["file"]); if(!$file) die(); $size = GetImageSize("$file"); $Width= $size[0]/4; $Height = $size[1]/4; $type = preg_replace("/^..(.+)$/","\1", strtolower($file)); switch($type) { case "png": Header("Content-Type: image/png"); $uret = ImageCreateFromPng("$file"); $empt = ImageCreate($Width,$Height); ImageCopyResized($empt, $uret, 0, 0, 0, 0, $Width, $Height, $size[0], $size[1]); Imagepng($empt); break; default: Header("Content-Type: image/Jpeg"); $uret = ImageCreateFromJpeg("$file"); $empt = ImageCreate($Width,$Height); ImageCopyResized($empt, $uret, 0, 0, 0, 0, $Width, $Height, $size[0], $size[1]); ImageJpeg($empt); } ?> <!--thumbnail.php END--> <!--anadosya--> <?php function kaynak_ara($aranan) { if(get_extension_funcs($aranan) == true) { return true; } else { return false; } } function thumb($img_url) { if($img_url != null && file_exists("".$img_url."")): $type = preg_replace("/^..(.+)$/","\1", strtolower($img_url)); if(kaynak_ara(gd) === true && $type != "gif" && $type != "bmp") { echo "<img border="0" hspace="5" src="./thumbnail.php?file=".urlencode($img_url)."">"; } else { $img_size = GetImageSize($img_url); $Width = $img_size[0]/3; $Height = $img_size[1]/3; echo "<img border="0" hspace="5" width="$Width" height="$Height" src="".$img_url."">"; } endif; } // fonksiyonun kullan m thumb("deneme.jpg"); ?> <!--main.php start--> <?php function kaynak_ara($aranan) { if(get_extension_funcs($aranan) == true) { return true; } else { return false; } } function thumb($img_url) { $true_type = array("jpg", "jif", "jpeg", "png"); // true image type if($img_url != null && file_exists("".$img_url."")): $type = preg_replace("/^.*.(.+)$/","\1", strtolower($img_url)); if(kaynak_ara(gd) === true && in_array($type, $true_type)) { // gd library enable $result = "<img border="0" hspace="5" src="./thumbnail.php?file=".urlencode($img_url)."">"; } else { // gd library disable $img_size = GetImageSize($img_url); $Width = $img_size[0]/3; $Height = $img_size[1]/3; $result = "<img border=\"0\" hspace=\"5\" width=\"".$Width."\" height=\"".$Height."\" src=\"".$img_url."\">"; } endif; return $result; } // sample function echo thumb("sample.jpg"); ?> <!--main.php END-->
This script reads all images in a directory and resize it to a specific width( the height will be resized but kept at the right ratio so the thumbnail will not be disfigured). Right now the script is set for jpegs only since my server doesn't support GIF yet. Simply remove the // and it should allow GIF support (that is if your GD supports it) THe script is configured to reads images/funny but you can change it. :) <? $src_dir = "images/funny/"; $folder = opendir($src_dir); while ($file = readdir($folder)){ if(stristr($file, ".jpg")){ $funny[] = $file; }} is_array($funny); srand((double)microtime()*1000000); $rand_max = sizeof($funny) - 1; $random = rand(0,$rand_max); $dest_dir = "thumbnails/"; $image = $funny[$random]; $size = GetImageSize("$src_dir$image"); $imagetype = $size[2]; $image_w = $size[0]; $image_h = $size[1]; $new_w = 150; $ratio = $image_w / $new_w; $new_h = $image_h / $ratio; $imagename = str_replace(".jpg", "", $image); $newimagename = $imagename . "_thumb.jpg"; if(file_exists("$dest_dir$newimagename")) { echo "<a href=\"showfunny.php?image=$image\"><img src=\"$dest_dir$newimagename\" border=\"0\"></a>";} else { switch ($imagetype) { case 1: echo "Gif type not supported with this GD version"; // Remove these // if you know your GD supports GIF types. Remove the line above also. //$imagename = str_replace(".gif", "", $image); //$newimagename = $imagename . "_thumb.gif"; //$dest = ImageCreate ($new_w, $new_h); //$src = imageCreateFromGif("$src_dir$image"); //ImageCopyResized($dest, $src, 0, 0, 0, 0, $new_w, $new_h, $image_w, $image_h); //ImageGif($dest,"$newimagename"); //ImageDestroy($dest); //copy($newimagename, "$dest_dir$newimagename"); //unlink($newimagename); //echo "<img src=\"$dest_dir$newimagename\">"; break; case 2: $imagename = str_replace(".jpg", "", $image); $newimagename = $imagename . "_thumb.jpg"; $dest = ImageCreate ($new_w, $new_h); $src = imageCreateFromJPEG("$src_dir$image"); ImageCopyResized($dest, $src, 0, 0, 0, 0, $new_w, $new_h, $image_w, $image_h); ImageJpeg($dest,"$newimagename",80); ImageDestroy($dest); copy($newimagename, "$dest_dir$newimagename"); unlink($newimagename); echo "<a href=\"showfunny.php?image=$image\"><img src=\"$dest_dir$newimagename\" border=\"0\"></a>"; break; default: echo "Not gif nor jpeg"; } } ?>
Creates a thumbnail of a JPEG, PNG, or GIF, on the fly. It takes user-defined dimensions, and is smart enough to keep the image proportions (if desired, of course). <?php // Image thumbnail0r (with an "0" :]) // mike[@]filespanker.com // // PARAMETERS: // // img: // The image file as relative to THIS script. // h: // The thumbnail's height. Default: 30 // w: // The thumbnail's width. Default: 30 // mode: // 1 = stretch: The image is resized to height and width // 0[default] = proportioned: The image is shrunken, but keeps proportions // type: // [optional] // jpg = JPEG // gif = GIF // png = PNG // If this is not set, it is determined by its file extension. // // This script's functions rely completely on your gd lib version. // // So, if I recall correctly: // gd v1.5 or lower : GIF // gd v1.6 or higher: PNG // gd v1.8 or higher: PNG and JPEG // // So, all three image types should never work on the same gd lib :[ // You can thank Unisys for that. // // Before mailing me, please actually look at the code. //Theres not much I could have really screwed up, and its probably an // issue with your gd library. Try up/downgrading it. // Configuration: //// CODE if (!isset($w)) { $w = 50; } if (!isset($h)) { $h = 50; } SetType($mode, 'integer'); SetType($w, 'integer'); SetType($h, 'integer'); SetType($img, 'string' ); function percent($p, $w) { return (real)(100 * ($p / $w)); } function unpercent($percent, $whole) { return (real)(($percent * $whole) / 100); } // Initialization // Make sure the file exists... if (!file_exists($img)) { echo "Error: could not find file: $img."; exit(); } // If the user defined a type to use. if (!isset($type)) { $ext = explode('.', $img); $ext = $ext[count($ext)-1]; switch(strtolower($ext)) { case 'jpeg' : $type = 'jpg'; break; default : $type = $ext; break; } } // Create the image... switch (strtolower($type)) { case 'jpg': $tmp = imagecreatefromjpeg($img); break; case 'gif': $tmp = @imagecreatefromgif($img); break; case 'png': $tmp = @imagecreatefrompng($img); break; default: echo 'Error: Unrecognized image format.'; exit(); break; } if ($tmp) { // Resize it $ow = imagesx ($tmp); // Original image width $oh = imagesy ($tmp); // Original image height if ($mode) { // Just smash it up to fit the dimensions $nw = $w; $nh = $h; } else { // Make it proportional. if ($ow > $oh) { $nw = $w; $nh = unpercent(percent($nw, $ow), $oh); } else if ($oh > $ow) { $nh = $h; $nw = unpercent(percent($nh, $oh), $ow); } else { $nh = $h; $oh = $w; } } $out = imagecreate($nw, $nh); imagecopyresized($out, $tmp, 0, 0, 0, 0, $nw, $nh, $ow, $oh); imagedestroy($tmp); } else { echo 'Could not create image resource.'; exit; } if ($out) { switch (strtolower($type)) { case 'jpg': header('Content-type: image/jpeg'); imagejpeg($out); break; case 'gif': header('Content-type: image/gif'); imagegif($out); break; case 'png': header('Content-type: image/png'); imagepng($out); break; } imagedestroy($out); } else { echo 'ERROR: Could not create resized image.'; } ?>
Reads all GIF files from a directory and outputs thumbnails of them, generated on-the-fly to a user-specified size. <? // Thumbnail Generator // Wizbit Internet Services, 2000. // Feel free to use & modify this script as required. // Whilst we don't offer any official support for this // script, if you run into problems, send an email // to cgi@wizbit.net. From around June 2000, we will // also place all our free scripts on a website at // http://cgi.wizbit.net // Some variables - set these to the appropriate values. // NO TRAILING SLASHES! // $new_w is the thumbnail width, $new_h is the thumbnail height. $new_w=160; $new_h=120; // This should be a directory containing all the GIF files you // want thumbnails for: $source= "/www/htdocs/escape/scripts/images/test"; // Now the URL by which $source is referenced from a browser. $srcurl= "/scripts/images/test"; // And this should be a publicly readable directory, writable // by your web server daemon. $dest= "/www/htdocs/escape/scripts/temp"; // Finally, this should be the URL (without the domain name) // by which $dest is referenced from a web browser. $url= "/scripts/temp"; // Nothing else should need changing, but feel free to experiment! $list= `ls -1 $source/.gif`; $files=split( "\n",$list); $total=(count($files))-1; $i=0; while ($i<$total) { $bits=split( "/",$files[$i]); $bitstot=count($bits); $bitstot--; $filename=$bits[$bitstot]; $src_img=ImageCreateFromGif( "$files[$i]"); $dst_img=ImageCreate($new_w,$new_h); ImageCopyResized($dst_img,$src_img,0,0,0,0,$new_w,$new_h,ImageSX($src_img),ImageSY($src_img)); srand((double)microtime()1000000); $bob=rand(1,99999); $size=GetImageSize( "$files[$i]"); ImageGif($dst_img, "$dest/thumb_$bob.gif"); // Put some code in here to display the image in a way appropriate // for your site. The file example.php3 shows how to put the images // in one row of a form, each one in a different cell. $i++; } ?>
This Code gives you 2 new powerful Functions. The first is an on-the-fly Thumbnailer. The second Funktion generates also an Thumbnail on the fly, but the Script saves the Thumbnail on the server. So the Script gets very fast. The Script uses the GB Libary. If there are Bugs, mail me. function printThumbnail($imgfile,$max_width=100,$max_height=100) { list($org_width,$org_height,$orgtype) = getimagesize($imgfile); $div_width = $org_width / $max_width; $div_height = $org_height / $max_height; if($div_width >= $div_height) { $new_width = $max_width; $new_height = round($org_height / $div_width); } else { $new_height = $max_height; $new_width = round($org_width / $div_height); } switch($orgtype) { case 1: $im = imagecreatefromgif($imgfile); break; case 2: $im = imagecreatefromjpeg($imgfile); break; case 3: $im = imagecreatefrompng($imgfile); break; } if($im) { $tn = imagecreate($new_width,$new_height); if($tn) { imagecopyrisized($tn,$im,0,0,0,0,$new_width,$new_height,$org_width,$org_height); switch($orgtype) { case 1: header("Content-Type: image/gif"); imagegif($tn); break; case 2: header("Content-Type: image/jpeg"); imagejpeg($tn); break; case 3: header("Content-Type: image/png"); imagepng($tn); break; } imagedestroy($tn); } } } function saveThumbnail($imgfile,$thfile,$max_width=100,$max_height=100,$jpgq=60) { list($org_width,$org_height,$orgtype) = getimagesize($imgfile); $div_width = $org_width / $max_width; $div_height = $org_height / $max_height; if($div_width >= $div_height) { $new_width = $max_width; $new_height = round($org_height / $div_width); } else { $new_height = $max_height; $new_width = round($org_width / $div_height); } switch($orgtype) { case 1: $im = imagecreatefromgif($imgfile); break; case 2: $im = imagecreatefromjpeg($imgfile); break; case 3: $im = imagecreatefrompng($imgfile); break; } if($im) { $tn = imagecreate($new_width,$new_height); if($tn) { imagecopyresized($tn,$im,0,0,0,0,$new_width,$new_height,$org_width,$org_height); switch($orgtype) { case 1: imagegif($tn,$thfile); return 1; break; case 2: imagejpeg($tn,$thfile,$jpgq); return 2; break; case 3: imagepng($tn,$thfile); return 3; break; } imagedestroy($tn); } } } function printSavedThumbnail($imgfile,$imgpath,$thpath,$max_width=100,$max_height=100,$jpgq=60) { if(!file_exists($thpath.$imgfile)) { if($imgtype = saveThumbnail($imgpath.$imgfile,$thpath.$imgfile,$max_width,$max_height,$jpgq)) printImageFile($imgtype,$thpath,$imgfile); } else { list(,,$imgtype) = getimagesize($thpath.$imgfile); if($imgtype) printImageFile($imgtype,$thpath.$imgfile); } } function printImageFile($imgtype,$imgfile) { switch($imgtype) { case 1: header("Content-Type: image/gif"); break; case 2: header("Content-Type: image/jpeg"); break; case 3: header("Content-Type: image/png"); break; } $fh = fopen($imgfile,"r"); if($fh) { fpassthru($fh); fclose($fh); } }

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